/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Collision/ContactTriangles.h
Extended data used when processing contactpoints on a triangle mesh. Adds information about which triangle we hit (in the local array of FoOntactTriangles) as well as which mesh edge or vertex we hit if appropriate (used for pruning).
class FTriangleContactPoint : public Chaos::TContactPoint< FReal >
int32
ContactTriangleIndex
FContactEdgeID
EdgeID
FContactVertexI...
VertexID